11120749

Display Device

PublishedSeptember 14, 2021
Assigneenot available in USPTO data we have
Technical Abstract

Patent Claims
20 claims

Legal claims defining the scope of protection, as filed with the USPTO.

1

1. A display device, comprising: a driving circuit configured to receive a data voltage in response to a scanning signal, and control brightness of a light emitting element based on the data voltage; and a control circuit configured to provide a stop signal to the driving circuit in response to a digital signal and the scanning signal, so as to stop the light emitting element from emitting light, and in turn control the light emission period of the light emitting element.

2

2. The display device of claim 1 , wherein the control circuit determines the timing for the stop signal to be provided to the driving circuit based on the digital signal and the scanning signal.

3

3. The display device of claim 1 , wherein the control circuit performs counting operation based on a clock signal, so as to determine the timing for the stop signal to be provided to the driving circuit.

4

4. The display device of claim 1 , wherein the control circuit starts counting based on the scanning signal, so as to determine the timing for the stop signal to be provided to the driving circuit.

5

5. The display device of claim 1 , wherein the control circuit determines an initial counting value based on the digital signal, so as to determine the timing for the stop signal to be provided to the driving circuit.

6

6. The display device of claim 1 , wherein the control circuit loads the digital signal based on the scanning signal, and performs counting operation based on the loaded digital signal, so as to determine the timing for the stop signal to be provided to the driving circuit.

7

7. The display device of claim 1 , wherein the control circuit comprises: a counting circuit configured to load the digital signal and perform counting operation based on the digital signal to generate a counting signal; and an output circuit configured to determine whether to generate the stop signal based on the counting signal.

8

8. The display device of claim 7 , wherein the counting circuit comprises: a plurality of flip-flops; and a plurality of impulse generating circuits connected in series staggeredly to the flip-flops.

9

9. The display device of claim 8 , wherein the counting signal received by the output circuit comprises an output signal generated respectively by the flip-flops.

10

10. The display device of claim 8 , wherein the control circuit is further configured to provide a disable signal to the flip-flops based on the scanning signal.

11

11. The display device of claim 8 , wherein the control circuit is further configured to provide a disable signal to the flip-flops based on the stop signal.

12

12. The display device of claim 8 , wherein the control circuit further comprises: a setting circuit configured to provide a plurality of bits of the digital signal to the flip-flops.

13

13. The display device of claim 12 , wherein the setting circuit comprises: a plurality of first switches, wherein a first terminal of each of the first switches is electrically connected to the flip-flops, a second terminal of each of the first switches is configured to respectively receive one of the plurality of bits of the digital signal, and a control terminal of each of the first switches is configured to receive the scanning signal.

14

14. The display device of claim 12 , wherein the setting circuit comprises: a plurality of second switches, wherein a first terminal of each of the second switches is electrically connected to the flip-flops, a second terminal of each of the second switches is configured to receive a disable signal, and a control terminal of each of the second switches is configured to receive the scanning signal.

15

15. The display device of claim 12 , wherein the setting circuit comprises: a plurality of third switches, wherein a first terminal of each of the third switches is electrically connected to the flip-flops, a second terminal of each of the third switches is configured to receive the stop signal, and a control terminal of each of the third switches is configured to receive the scanning signal.

16

16. The display device of claim 7 , wherein the output circuit is further configured to determine, in response to the counting signal, whether to stop the counting circuit from receiving a clock signal.

17

17. A display device, comprising: a light emitting element; a driving element electrically connected to an anode or a cathode of the light emitting element; a data switch electrically connected between a control terminal of the driving element and a data input terminal; a stop switch electrically connected between the control terminal of the driving element and a reset input terminal; a counting circuit, wherein one or more input terminals of the counting circuit are electrically connected to one or more digital signal input terminals; and an output circuit, wherein one or more input terminals of the output circuit are electrically connected to one or more output terminals of the counting circuit, and an output terminal of the output circuit is electrically connected to a control terminal of the stop switch.

18

18. The display device of claim 17 , further comprising: one or more first switches, wherein the one or more first switches are electrically connected between one or more bit signal input terminals and the one or more input terminals of the counting circuit, and control terminals of the one or more first switches are electrically connected to a scanning signal input terminal.

19

19. The display device of claim 17 , further comprising: one or more second switches, wherein the one or more second switches are electrically connected between a disable signal input terminal and the one or more input terminals of the counting circuit, and control terminals of the one or more second switches are electrically connected to a scanning signal input terminal.

20

20. The display device of claim 17 , further comprising: one or more third switches, wherein the one or more third switches are electrically connected between a disable signal input terminal and the one or more input terminals of the counting circuit, and control terminals of the one or more third switches are electrically connected to an output terminal of the output circuit.

Patent Metadata

Filing Date

Unknown

Publication Date

September 14, 2021

Inventors

Chun-Feng Lin
Kai-Wei Hong
Chuang-Cheng Yang
Yi-Cheng Lin
Ming-Hsien Lee

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Cite as: Patentable. “DISPLAY DEVICE” (11120749). https://patentable.app/patents/11120749

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